Rotary drum for the aerobic heating of pourable solids

Details Rotary drum for the aerobic heating of pourable solids Rotary drum for the aerobic heating of pourable solids

F - Mech Eng,Light,Heat,Weapons

26

B

F26B 11/04 (2006.01)

Patent

CA 2586551

The invention concerns a rotary drum (1), in which the hygienic status of separated, pourable cow manure solids (3) is modified by aerobic heating such that the solids can be re-used as bedding in cowsheds. The aim of the invention is that of achieving a high charge level of the drum (1), which lies horizontally for incorporation in an insulated container (2), with a filling level of 60-70 % being achieved. According to the invention, the loaded solid (3) is kept in a chamber (4,8) and is passed to the drum (1) only when there is no solid surrounding the chamber (4,8). An important element is a flap (4,9) of the chamber (4,8), which opens and closes in this area only. If there is solid material on the outside of the flap, then the flap is prevented from opening (4,9).

La présente invention concerne un tambour rotatif (1) dans lequel un chauffage aérobie, permet de modifier dans le purin bovin, le statut hygiénique de substances solides (3) séparées, aptes à l'écoulement, de sorte que celles-ci peuvent faire l'objet d'une nouvelle utilisation comme litière dans des étables. L'invention a pour objet de permettre un chargement important du tambour (1) qui est disposé horizontalement dans un conteneur isolé (2), avec un degré de remplissage de 60-70 %. Selon l'invention, une substance solide (3) à traiter est prise en charge dans une chambre (4,8) et n'alimente le tambour (1) que lorsqu'aucune substance solide n'entoure la chambre (4,8). L'élément de commande est un volet (4,9) appartenant à la chambre (4,8) qui s'ouvre et se referme uniquement dans cette zone. La présence d'une substance solide à l'extérieur du volet, en contact avec celui-ci, empêche l'ouverture dudit volet (4,9).

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